/* 动画效果样式 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(50px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

.animate-text {
    opacity: 0;
    animation: fadeInUp 0.8s forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.animate-slide-left {
    opacity: 0;
    animation: slideInLeft 0.8s ease forwards;
}

.animate-slide-right {
    opacity: 0;
    animation: slideInRight 0.8s ease forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* 页面过渡效果 */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    z-index: 9999;
    transform: translateY(100%);
    transition: transform 0.5s ease;
}

.page-transition.active {
    transform: translateY(0);
}

.page-transition.exit {
    transform: translateY(-100%);
}

/* 滚动动画类 */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* 鼠标悬停动画 */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 9999;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 悬浮动画 */
.float {
    animation: float 6s ease-in-out infinite;
}

/* 波浪效果 */
.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" fill="%23ffffff" opacity="0.25" /></svg>') repeat-x;
    background-size: 1200px 100px;
    animation: wave 10s linear infinite;
}

.wave:nth-child(2) {
    bottom: 10px;
    opacity: 0.5;
    animation: wave 8s linear -5s infinite, swell 7s ease -5s infinite;
}

.wave:nth-child(3) {
    bottom: 20px;
    opacity: 0.2;
    animation: wave 6s linear -2s infinite, swell 5s ease -2s infinite;
}

@keyframes wave {
    0% {
        background-position-x: 0;
    }
    100% {
        background-position-x: 1200px;
    }
}

@keyframes swell {
    0%, 100% {
        transform: translateY(-10px);
    }
    50% {
        transform: translateY(5px);
    }
}

/* 打字机效果 */
.typewriter h1 {
    overflow: hidden;
    border-right: 0.15em solid var(--primary-color);
    white-space: nowrap;
    margin: 0 auto;
    letter-spacing: 0.15em;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--primary-color) }
}

/* 卡片悬停动画 */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 按钮动画 */
.btn-pulse {
    animation: pulse 2s infinite;
}

/* 技能进度条动画 */
.skill-progress {
    width: 0;
    transition: width 1.5s ease-in-out;
}

.skill-item.active .skill-progress {
    width: var(--progress);
}

/* 图片动画 */
.animate-image {
    opacity: 0;
    animation: scaleIn 1s forwards 0.5s;
}